224 try:

   225     from zope.schema.fieldproperty import FieldProperty

   226 except ImportError:

   227     raise

   228 else:

   229     def get_field_doc(self):

   230         field = self._FieldProperty__field

   231         if field.title and field.description:

   232             return '{0}: {1}'.format(field.title, field.description)

   233         elif field.title:

   234             return field.title

   235         else:

   236             return super(self.__class__, self).__doc__

   237     FieldProperty.__doc__ = property(get_field_doc)